CN112150927A - Flexible display device - Google Patents
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- CN112150927A CN112150927A CN202011026418.1A CN202011026418A CN112150927A CN 112150927 A CN112150927 A CN 112150927A CN 202011026418 A CN202011026418 A CN 202011026418A CN 112150927 A CN112150927 A CN 112150927A
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- 230000007246 mechanism Effects 0.000 claims description 59
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- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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Abstract
The application provides a flexible display device, includes: the flexible display module is provided with an outward folding area and a drawing area; the flexible display module comprises a drawing module, a drawing area and a drawing module, wherein the part of the flexible display module, which corresponds to the drawing area, corresponds to the drawing module; and the folding module is rotatably connected with the drawing module and is used for supporting the part of the flexible display module corresponding to the outward folding area. Compared with the traditional folding display device and the traditional curling display device, the flexible display device can better realize expandable and wide-screen display and has the advantage of portability.
Description
Technical Field
The application relates to the technical field of display, in particular to a flexible display device.
Background
Flexible display technology of Organic Light Emitting Diode (OLED) is becoming mature, and development of expandable display modes of display devices is greatly promoted. Among them, flexible wide-screen display is a research focus of display products in recent years.
At present, the conventional flexible display screen mainly includes three modes, i.e., a scrolling mode, a folding mode and a stretching mode. Wherein, the folding type is divided into an outward folding type, an inward folding type and a double folding type. Although the flexible display can be realized by the outward-folding display mode and the inward-folding display mode, only the double-screen display can be realized, the display space is relatively limited, and the expanding display effect cannot be further realized. The display equipment adopting the internal and external double-folding display mode has a three-layer structure in the thickness direction under the folding state of the whole machine, so that the display equipment occupies a larger space, has larger overall thickness and poorer portability, and cannot achieve better effect in appearance design. The curling display mode and the stretching display mode realize flexible display and expandable display to a certain extent, but both can not realize the realization effect of larger display size.
Therefore, there is a need to provide a technical solution to realize the advantages of expandable display and portability of the display device.
Disclosure of Invention
An object of the present application is to provide a flexible display device having advantages of further expandable display and portability.
To achieve the above object, the present application provides a flexible display device including:
the flexible display module is provided with an outward folding area and a drawing area;
the part of the flexible display module corresponding to the drawing area is arranged corresponding to the drawing module, the drawing module is used for accommodating part of the flexible display module in an accommodating state, drawing part of the flexible display module in a drawing state, and providing support surfaces with corresponding areas in both the accommodating state and the drawing state; and
the folding module is rotatably connected with the drawing module and is used for supporting the part, corresponding to the outward folding area, of the flexible display module.
In the above flexible display device, the drawing region includes a drawing storage region, the drawing module includes a drawing main chassis module, and the drawing main chassis module includes:
the accommodating shell is provided with a first accommodating cavity and an opening, and the part of the flexible display module, which corresponds to the drawing and accommodating area, penetrates through the opening and is accommodated in the first accommodating cavity in the accommodating state, and penetrates through the opening and is drawn out of the first accommodating cavity in the drawing state;
the transmission assembly is arranged in the first accommodating cavity, the part of the flexible display module corresponding to the drawing and storing area is connected with the transmission assembly, and the transmission assembly is used for transmitting the part of the flexible display module corresponding to the drawing and storing area in the accommodating state and the drawing-out state.
In the above flexible display device, the driving assembly includes:
the first transmission mechanism comprises a first bending rack belt and a first driving gear, the first bending rack belt is provided with a bending area, a first transmission area and a second transmission area, the bending area is connected between the first transmission area and the second transmission area, the inner sides of the parts of the first bending rack belt corresponding to the bending area, the first transmission area and the second transmission area are uniformly provided with strip teeth, and the first driving gear is meshed with the strip teeth on the inner side of the part of the first bending rack belt corresponding to the bending area;
the second transmission mechanism comprises a second bending rack belt and a second driving gear, the second bending rack belt is provided with the bending area, the first transmission area and the second transmission area, the inner sides of the parts, corresponding to the bending area, the first transmission area and the second transmission area, of the second bending rack belt are uniformly provided with rack teeth, and the second driving gear is meshed with the rack teeth on the inner sides of the parts, corresponding to the bending area, of the second bending rack belt; and
the transmission rod is rotatably connected with the accommodating shell, and the first driving gear and the second driving gear are fixedly connected to the two opposite ends of the transmission rod;
the part of the flexible display module corresponding to the drawing and storing area is connected with the outer sides of the first bent toothed belt and the second bent toothed belt;
in the accommodating state and the pulling-out state, the transmission rod drives the first driving gear and the second driving gear to rotate, the first driving gear rotates and drives the part of the first bending rack belt corresponding to the first transmission area and the part of the first bending rack belt corresponding to the second transmission area to move back to back, and the second driving gear rotates and drives the part of the second bending rack belt corresponding to the first transmission area and the part of the first bending rack belt corresponding to the second transmission area to move back to back.
In the above flexible display device, a portion of the first bending rack belt corresponding to the first transmission area and a portion of the first bending rack belt corresponding to the second transmission area are parallel to each other, and a portion of the second bending rack belt corresponding to the first transmission area and a portion of the second bending rack belt corresponding to the second transmission area are parallel to each other;
the transmission assembly further includes:
a first driven gear meshed with the rack teeth on the inner side of the part of the first bent rack belt corresponding to the first transmission area and the inner side of the part of the first bent rack belt corresponding to the second transmission area; and
the second driven gear is meshed with the rack teeth on the inner side of the part, corresponding to the first transmission area, of the second bent rack belt and the rack teeth on the inner side of the part, corresponding to the second transmission area, of the second bent rack belt.
In the above flexible display device, two opposite ends of the first bending rack belt and the second bending rack belt further include blank areas, and inner sides of portions of the first bending rack belt and the second bending rack belt corresponding to the blank areas are both flat surfaces.
In the above flexible display device, the pull module includes a pull sub-frame module, the pull sub-frame module is rotatably connected to the folding module, and the pull sub-frame module includes a second support mechanism;
the drawing main frame module comprises a first supporting mechanism fixedly connected with the accommodating shell, the first supporting mechanism and the second supporting mechanism move relatively and provide supporting surfaces with corresponding areas in the accommodating state and the drawing-out state.
In the above flexible display device, the flexible display device further includes a guide assembly, the guide assembly includes a guide rail and a slider engaged with the guide rail, the guide rail is connected to the pull main frame module, and the slider is connected to the pull auxiliary frame module.
In the above flexible display device, the slider is sleeved on the guide rail.
In the above flexible display device, the first supporting mechanism includes a plurality of first supporting bars, the second supporting mechanism includes a plurality of second supporting bars, and the plurality of first supporting bars and the plurality of second supporting bars are engaged with each other.
In the above flexible display device, the pull area further includes a main display area, the main display area is located between the pull collection area and the folding area, the portion of the flexible display module corresponding to the pull collection area is completely contained in the first containing cavity, and the first supporting mechanism and the second supporting mechanism are used for supporting the portion of the flexible display module corresponding to the main display area.
In the above flexible display device, the drawing module has a second accommodating cavity adapted to the folding module, and the folding module is folded into the second accommodating cavity when folded.
Has the advantages that: the application provides a flexible display device, includes: the flexible display module is provided with an outward folding area and a drawing area; the flexible display module comprises a drawing module, a drawing area and a drawing module, wherein the part of the flexible display module, which corresponds to the drawing area, corresponds to the drawing module; and the folding module is rotatably connected with the drawing module and is used for supporting the part of the flexible display module corresponding to the outward folding area. Compared with the traditional folding display device and the traditional curling display device, the flexible display device can better realize expandable and wide-screen display and has the advantage of portability. For foldable display device of tradition and formula display device that curls, flexible display device's display surface includes the display surface of folding module and the display surface of the change of pull module, but this application flexible display device can realize better and expand and wide screen display, and has the advantage of portability.
Drawings
FIG. 1 is a schematic perspective view of a flexible display device according to the present application in a fully extended state;
FIG. 2 is a schematic plan view of the flexible display device of FIG. 1 in a fully extended state;
FIG. 3 is a schematic side view of the flexible display device of FIG. 1 in a fully extended state;
FIG. 4 is a schematic plan view of the flexible display device shown in FIG. 1 in a fully folded state, and a portion of the flexible display module corresponding to the pull-out and storage area is fully accommodated in the storage housing;
FIG. 5 is a schematic side view of the flexible display device shown in FIG. 1 in a fully folded state with a portion of the flexible display module corresponding to the pull-out and storage area being fully received in the receiving housing;
FIG. 6 is a schematic plan view of the flexible display device shown in FIG. 1 in a flattened state, and a portion of the flexible display module corresponding to the pull-out and pull-out storage area is completely accommodated in the accommodating housing;
FIG. 7 is a schematic side view of the flexible display device shown in FIG. 1 in a flattened state, with a portion of the flexible display module corresponding to the pull-out and pull-out receiving area being completely received in the receiving housing;
FIG. 8 is a schematic view of a flexible display module;
FIG. 9 is a schematic perspective view of the connection between the transmission assembly and the flexible display module;
FIG. 10 is a perspective view of the transmission assembly;
FIG. 11 is a schematic side view of the connection between the transmission assembly and the flexible display module;
FIG. 12 is a partial schematic view of a flexible display device in a fully extended state;
fig. 13 is a partially enlarged schematic view of the guide assembly.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1-7, fig. 1 is a schematic perspective view of a flexible display device of the present invention in a fully unfolded state, fig. 2 is a schematic plan view of the flexible display device shown in fig. 1 in the fully unfolded state, fig. 3 is a schematic side view of the flexible display device shown in fig. 1 in the fully unfolded state, fig. 4 is a schematic plan view of the flexible display device shown in fig. 1 in the fully folded state with a portion of a flexible display module corresponding to a pull-out and storage area being fully accommodated in a housing, fig. 5 is a schematic side view of the flexible display device shown in fig. 1 in the fully folded state with a portion of the flexible display module corresponding to the pull-out and storage area being fully accommodated in the housing, fig. 6 is a schematic plan view of the flexible display device shown in the flattened state and a portion of the flexible display module corresponding to the pull-out and storage area being, fig. 7 is a schematic side view of the flexible display device shown in fig. 1 in a flattened state, and a portion of the flexible display module corresponding to the pull-out and storage area is completely stored in the storage housing.
The flexible display device 200 includes a flexible display module 10, a drawing module 20, and a folding module 30. The drawing module 20 is rotatably connected with the folding module 30, and the folding module 30 is rotated to be folded to the back of the drawing module 20.
Fig. 8 is a schematic view of a flexible display module. The flexible display module 10 is used for displaying. The flexible display module 10 includes a flexible organic light emitting diode display panel. The flexible display module 10 has an outward folding region 10a, a first bending region 10b and a drawing region connected in sequence, wherein the drawing region includes a main display region 10c and a drawing storage region 10d, and the main display region 10c is located between the drawing storage region 10d and the first bending region 10 b. The folding region 10a, the first bending region 10b and the main display region 10c of the flexible display module 10 are all used for displaying. The pull-out and storage area 10d of the flexible display module 10 includes a display portion for displaying and may also include a non-display portion for binding. The main display area 10c is larger than the display portions of the fold-out area 10a and the drawer storage area 10 d. The display surface of the flexible display module 10 is adjusted by receiving and pulling out the display portion of the flexible display module 10 corresponding to the pull-out receiving area 10 d.
As shown in fig. 3, a portion of the flexible display module 10 corresponding to the fold-out region 10a is disposed corresponding to the folding module 30. The portion of the flexible display module 10 corresponding to the first bending region 10b is disposed corresponding to the rotating connection component between the folding module 30 and the drawing module 20. The portion of the flexible display module 10 corresponding to the pull-out region is disposed corresponding to the pull-out module 20.
The drawing module 20 is used for accommodating a part of the flexible display module 10 in an accommodating state, drawing a part of the flexible display module 10 in a drawing state, and providing a supporting surface with a corresponding area in both the accommodating state and the drawing state.
As shown in fig. 1 and 5, the pull module 20 includes a pull main chassis module 201 and a pull sub-chassis module 202. The drawer main frame module 201 includes a containment housing 2011, a drive assembly, and a first support mechanism 2012. The accommodating case 2011 has a first accommodating cavity 2011a and an opening 2011b, the transmission assembly is disposed in the first accommodating cavity 2011a, and a portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is connected to the transmission assembly. The transmission assembly is used for transmitting the portion of the flexible display module 10 corresponding to the pull-out and storage area 10d in the storage state and the pull-out state, and the display portion of the flexible display module 10 corresponding to the pull-out and storage area 10d passes through the opening 2011b and is stored in the first storage cavity 2011a in the storage state, and passes through the opening 2011b and is pulled out from the first storage cavity 2011a in the pull-out state.
The storage state refers to a state when a portion of the flexible display module 10 corresponding to the pull-out storage area 10d is stored in the first storage cavity 2011a, and the storage state includes a completely storage state and a partially storage state. The fully-received state means that the portion of the flexible display module 10 corresponding to the pull-out and collection area 10d is fully received in the first receiving cavity 2011a, and at this time, the display area of the flexible display module 10 is the smallest. The partially accommodated state means that a part of the portion of the flexible display module 10 corresponding to the pull-out and storage region 10d is accommodated in the first accommodating cavity 2011a and another part of the portion of the flexible display module 10 corresponding to the pull-out and storage region 10d is to be accommodated in the first accommodating cavity 2011 a. The pulled-out state refers to a state in which a portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is pulled out from the first receiving cavity 2011a, and the pulled-out state includes a completely pulled-out state and a partially pulled-out state. The completely pulled-out state means that the display portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is completely pulled out from the first receiving cavity 2011a, and at this time, the display area of the flexible display module 10 is the largest. The partially pulled-out state means that a part of the portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is pulled out from the first receiving cavity 2011a and another part of the portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is to be pulled out. The display area of the flexible display module 10 is smaller than the maximum display area and larger than the minimum display area in the partially pulled-out state and the partially accommodated state.
As shown in fig. 9-11, fig. 9 is a schematic perspective view illustrating a connection between a transmission assembly and a flexible display module, fig. 10 is a schematic perspective view illustrating the transmission assembly, and fig. 11 is a schematic side view illustrating the connection between the transmission assembly and the flexible display module. The transmission assembly includes a first transmission mechanism 2021, a second transmission mechanism 2022, and a transmission rod 2023. The first transmission mechanism 2021 and the second transmission mechanism 2022 are symmetrically arranged, and the transmission rod 2023 is connected with the first transmission mechanism 2021 and the second transmission mechanism 2022 to enable the first transmission mechanism 2021 and the second transmission mechanism 2022 to synchronously work. The transmission rod 2023 is connected to a drive assembly (not shown) that drives the transmission rod 2023 to rotate in a predetermined direction. The drive assembly may include a motor or the like.
The first transmission mechanism 2021 includes a first bending rack belt 20211 and a first driving gear 20212, the first bending rack belt 20211 has a second bending zone 20211a, a first transmission zone 20211b and a second transmission zone 20211c, the second bending zone 20211a is connected between the first transmission zone 20211b and the second transmission zone 20211c, inner sides of portions of the first bending rack belt 20211 corresponding to the second bending zone 20211a, the first transmission zone 20211b and the second transmission zone 20211c are uniformly provided with teeth, and the first driving gear 20212 is engaged with the teeth of the inner sides of portions of the first bending rack belt 20211 corresponding to the second bending zone 20211 a.
The second transmission mechanism 2022 includes a second bending rack belt 20221 and a second driving gear 20222, the second bending rack belt 20221 has a second bending zone 20211a, a first transmission zone 20211b and a second transmission zone 20211c, inner sides of portions of the second bending rack belt 20221 corresponding to the second bending zone 20211a, the first transmission zone 20211b and the second transmission zone 20211c are uniformly provided with rack teeth, and the second driving gear 20222 is engaged with the rack teeth of the inner sides of portions of the second bending rack belt 20221 corresponding to the second bending zone 20211 a.
The transmission rod 2023 is rotatably connected to the housing 2011, the first driving gear 20212 and the second driving gear 20222 are fixedly connected to opposite ends of the transmission rod 2023, and the transmission rod 2023 is coaxially connected to the first driving gear 20212 and the second driving gear 20222, so as to mainly control the housing and the drawing of a portion of the display portion of the flexible display module corresponding to the drawing/storing area 10 d. In the storage state and the drawing-out state, the transmission rod 2023 drives the first driving gear 20212 and the second driving gear 20222 to rotate, the first driving gear 20212 rotates and drives the portion of the first bending rack belt 20211 corresponding to the first transmission area 20211b and the portion of the first bending rack belt 20211 corresponding to the second transmission area 20211c to move back to back, and the second driving gear 20222 rotates and drives the portion of the second bending rack belt 20221 corresponding to the first transmission area 20211b and the portion of the first bending rack belt 20211 corresponding to the second transmission area 20211c to move back to back. The part of the flexible display module 10 corresponding to the drawing and storing area 10d is connected with the outer sides of the first bending rack belt 20211 and the second bending rack belt 20221 by gluing. The movement of the first bending rack belt 20211 and the second bending rack belt 20221 causes the portion of the flexible display module 10 corresponding to the drawing and storing area 10d to move relative to the housing case 2011.
Note that, the non-display portion, which may be a portion of the flexible display module 10 corresponding to the drawer storage area 10d, is fixedly connected to the outer sides of the first bending rack belt 20211 and the second bending rack belt 20221.
The portion of the first dog-ear rack belt 20211 corresponding to the first transmission zone 20211b and the portion of the first dog-ear rack belt 20211 corresponding to the second transmission zone 20211c are parallel to each other. The first transmission mechanism 2021 further includes a first driven gear 20213. The first driven gear 20213 meshes with rack teeth on the inner side of the portion of the first bent rack belt 20211 corresponding to the first transmission zone 20211b and on the inner side of the portion of the first bent rack belt 20211 corresponding to the second transmission zone 20211 c. The portion of the second dog-ear rack belt 20221 corresponding to the first transmission zone 20211b and the portion of the second dog-ear rack belt 20221 corresponding to the second transmission zone 20211c are parallel to each other. The second transmission mechanism 2022 further includes a second driven gear 20223, and the second driven gear 20223 is engaged with the inner side of the portion of the second bending rack belt 20221 corresponding to the first transmission zone 20211b and the inner side of the portion of the second bending rack belt 20221 corresponding to the second transmission zone 20211 c.
The first driven gear 20213 is coupled to the first bending rack 20211 and the second driven gear 20223 is coupled to the second bending rack 2022, so as to assist the flexible display module 10 to store and stretch the display portion corresponding to the drawing storage area 10 d. The first driven gear 20213 also functions to support the first bent rack belt 20211, and the second driven gear 20223 also functions to support the second bent rack belt 20221.
Two opposite ends of the first bending rack belt 20211 and the second bending rack belt 20221 further include a blank region 20211d, and inner sides of portions of the first bending rack belt 20211 and the second bending rack belt 20221 corresponding to the blank region 20211d are both flat surfaces to prevent the first driven gear 20213 and the second driven gear 20223 from falling off.
Fig. 12 is a partial schematic view of the flexible display device in a fully unfolded state. The pull-out sub-frame module 202 is rotatably connected to the folding module 30, the pull-out sub-frame module 202 includes a second supporting mechanism 2021, and the first supporting mechanism 2012 and the second supporting mechanism 2021 move relatively and provide a supporting surface with a corresponding area in both the accommodating state and the pull-out state. When the first supporting mechanism 2012 and the second supporting mechanism 2021 relatively move to the minimum supporting surface, the supporting surface formed by the first supporting mechanism 2012 and the second supporting mechanism 2021 supports the portion of the flexible display module 10 corresponding to the main display area 10 c.
The first supporting mechanism 2012 includes a plurality of first supporting bars, the second supporting mechanism 2021 includes a plurality of second supporting bars, the plurality of first supporting bars and the plurality of second supporting bars are engaged with each other, and the first supporting mechanism 2012 and the second supporting mechanism 2021 move relatively to form supporting surfaces with different areas, so as to reliably support the flexible display module 10.
As shown in fig. 13, which is an enlarged partial view of the guide assembly. The flexible display device further includes guide assemblies 50, two sets of guide assemblies 50 are located at opposite sides of the flexible display device 200, the guide assemblies 50 include a guide rail 501 and a slider 502 engaged with the guide rail 501, the guide rail 501 is connected with the pull main frame module 201, and the slider 502 is connected with the pull sub-frame module 202. The pull sub-frame module 202 is connected to the pull main frame module 201 by the guide assembly 50. The slider 502 moves along the guide 501 to make the first supporting mechanism 2012 and the second supporting mechanism 2021 slide relatively smoothly to provide a supporting surface with a varying area.
The sliding block 502 is sleeved on the guide rail 501 to prevent the auxiliary drawing frame module 202 and the main drawing frame module 201 from moving in the thickness direction perpendicular to the flexible display module 10, so as to ensure that the supporting surface composed of the first supporting mechanism 2012 and the second supporting mechanism 2021 has good flatness.
Specifically, the first end surface of the guide rail 501 has a sliding groove, and the longitudinal section of the sliding groove is an inverted trapezoid or a rectangle. A projection adapted to the sliding slot extends from a first side of the sliding block 502, and the projection is engaged with the sliding slot. The second side surface of the slider 502 is attached to the second end surface of the guide rail 501, the second side surface is vertically connected with the first side surface, the second end surface is vertically connected with the first end surface, the third side surface of the slider 502 is attached to the third end surface of the guide rail 501, the third side surface is opposite to the first side surface and is vertically connected with the second side surface, and the third end surface is opposite to the first end surface and is vertically connected with the second end surface. The first side, the second side and the third side enclose a through hole, and the guide rail 501 is inserted into the through hole. The second side surface is located on the side of the slider 502 away from the first supporting mechanism 2012 and the second supporting mechanism 2021, and the second end surface is located on the side of the guide rail 501 away from the first supporting mechanism 2012 and the second supporting mechanism 2021.
The folding module 30 includes a support plate for supporting a portion of the flexible display module 10 corresponding to the fold-out region 10 a. The drawer module 20 is hinged to the folding module 30 by means of a hinge 40.
The flexible display device 200 further includes a protective barrier 60, the protective barrier 60 is used for protecting the hinge 40, and the two protective barriers 60 are respectively disposed on the folding module 30 and the drawing module 20.
As shown in fig. 5, the drawer module 20 has a second receiving cavity 20a adapted to the folding module 30, and the folding module 30 is folded into the second receiving cavity 20a in the fully folded state to realize the outward bending. The folding of the folding module 30 into the second receiving cavity 20a achieves the thickness reduction of the flexible display device 200 after folding.
Different states of the flexible display device are described below.
When the flexible display device 200 is in the fully expanded state, the display portion of the flexible display module 10 corresponding to the drawing and storing area 10d is entirely drawn out from the storing housing 2011. The second support 2021 of the drawer sub-chassis module 202 and the first support 2012 of the drawer main chassis module 201 move back to the support plane with the largest area. The flexible display module 10 is partially unfolded corresponding to the folding module 30. The display surface of the flexible display module 10 includes a portion of the flexible display module 10 corresponding to the main display area 10c, the first bending area 10b and the outward bending area 10a, and further includes a display portion of the flexible display module 10 corresponding to the pull-out and collection area 10 d.
When the flexible display device 200 is in the fully folded state, the portion of the flexible display module 10 corresponding to the drawing and storing area 10d is completely stored in the storing housing 2011; the second supporting mechanism 2021 of the auxiliary rack module 202 and the first supporting mechanism 2012 of the main rack module 201 move oppositely to form a supporting surface with the smallest area, and the auxiliary rack module 202 is housed inside the main rack module 201 by sliding; the folding module 30 is folded to the second receiving chamber 20 a. The display surface of flexible display module assembly 10 includes that flexible display module assembly 10 corresponds main display area 10c, first bending zone 10b and the part of rolling over district 10a outward, can realize single-screen display effect, portable simultaneously.
When the flexible display device 200 is in the first intermediate expanded state, the portion of the flexible display module 10 corresponding to the pull-out storage area 10d is completely accommodated in the accommodating housing 2011, and the second supporting mechanism 2021 of the pull-out sub-chassis module 202 and the first supporting mechanism 2012 of the pull-out main chassis module 201 move relatively to each other to form a supporting surface with the smallest area. The flexible display module 10 is partially unfolded corresponding to the folding module 30. The display surface of the flexible display module 10 includes portions corresponding to the main display area 10c, the first bending area 10b and the outer bending area 10 a.
When the flexible display device 200 is in the second intermediate expanded state, a portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is located in the storage housing 2011, another portion of the flexible display module 10 corresponding to the pull-out and storage area 10d is located outside the storage housing 2011, and the second supporting mechanism 2021 of the pull-out auxiliary chassis module 202 and the first supporting mechanism 2012 of the pull-out main chassis module 201 form a corresponding supporting area. The flexible display module 10 is partially unfolded corresponding to the folding module 30. The display surface of the flexible display module 10 includes a portion corresponding to the main display area 10c, the first bending area 10b and the external bending area 10 a. The display surface of the flexible display module 10 further includes a display portion of the flexible display module 10 corresponding to the pull-out and storage area 10d, wherein the display portion is pulled out of the housing 2011.
The drawing module 20 collects or draws out the part of the flexible display module 10 corresponding to the drawing and storing area 10d through a gear and a flexible gear belt inside the flexible display device 200, and realizes the expansion and support of the display part of the flexible display module corresponding to the drawing and storing area 10d through a guide rail, a sliding block and a support mechanism, and the combined design of the two functional modules is adopted to realize the display effect of continuous and free switching of the size and the width of the screen. In addition, part of the flexible display module is collected inside the drawing main frame module 201 in a drawing and collecting manner, and the maximum collection effect of the display screen is realized through the combined action of the folding hinge and the guide assembly, so that the overall structural space of the flexible display device 200 is reduced.
The above description of the embodiments is only for assisting understanding of the technical solutions and the core ideas thereof; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (11)
1. A flexible display device, comprising:
the flexible display module is provided with an outward folding area and a drawing area;
the part of the flexible display module corresponding to the drawing area is arranged corresponding to the drawing module, the drawing module is used for accommodating part of the flexible display module in an accommodating state, drawing part of the flexible display module in a drawing state, and providing support surfaces with corresponding areas in both the accommodating state and the drawing state; and
the folding module is rotatably connected with the drawing module and is used for supporting the part, corresponding to the outward folding area, of the flexible display module.
2. The flexible display device of claim 1, wherein the pull region comprises a pull storage region, the pull module comprises a pull main chassis module, the pull main chassis module comprises:
the accommodating shell is provided with a first accommodating cavity and an opening, and the part of the flexible display module, which corresponds to the drawing and accommodating area, penetrates through the opening and is accommodated in the first accommodating cavity in the accommodating state, and penetrates through the opening and is drawn out of the first accommodating cavity in the drawing state;
the transmission assembly is arranged in the first accommodating cavity, the part of the flexible display module corresponding to the drawing and storing area is connected with the transmission assembly, and the transmission assembly is used for transmitting the part of the flexible display module corresponding to the drawing and storing area in the accommodating state and the drawing-out state.
3. The flexible display device of claim 2, wherein the transmission assembly comprises:
the first transmission mechanism comprises a first bending rack belt and a first driving gear, the first bending rack belt is provided with a bending area, a first transmission area and a second transmission area, the bending area is connected between the first transmission area and the second transmission area, the inner sides of the parts of the first bending rack belt corresponding to the bending area, the first transmission area and the second transmission area are uniformly provided with strip teeth, and the first driving gear is meshed with the strip teeth on the inner side of the part of the first bending rack belt corresponding to the bending area;
the second transmission mechanism comprises a second bending rack belt and a second driving gear, the second bending rack belt is provided with the bending area, the first transmission area and the second transmission area, the inner sides of the parts, corresponding to the bending area, the first transmission area and the second transmission area, of the second bending rack belt are uniformly provided with rack teeth, and the second driving gear is meshed with the rack teeth on the inner sides of the parts, corresponding to the bending area, of the second bending rack belt; and
the transmission rod is rotatably connected with the accommodating shell, and the first driving gear and the second driving gear are fixedly connected to the two opposite ends of the transmission rod;
the part of the flexible display module corresponding to the drawing and storing area is connected with the outer sides of the first bent toothed belt and the second bent toothed belt;
in the accommodating state and the pulling-out state, the transmission rod drives the first driving gear and the second driving gear to rotate, the first driving gear rotates and drives the part of the first bending rack belt corresponding to the first transmission area and the part of the first bending rack belt corresponding to the second transmission area to move back to back, and the second driving gear rotates and drives the part of the second bending rack belt corresponding to the first transmission area and the part of the first bending rack belt corresponding to the second transmission area to move back to back.
4. The flexible display device according to claim 3, wherein a portion of the first bending rack strip corresponding to the first transmission region and a portion of the first bending rack strip corresponding to the second transmission region are parallel to each other, and a portion of the second bending rack strip corresponding to the first transmission region and a portion of the second bending rack strip corresponding to the second transmission region are parallel to each other;
the transmission assembly further includes:
a first driven gear meshed with the rack teeth on the inner side of the part of the first bent rack belt corresponding to the first transmission area and the inner side of the part of the first bent rack belt corresponding to the second transmission area; and
the second driven gear is meshed with the rack teeth on the inner side of the part, corresponding to the first transmission area, of the second bent rack belt and the rack teeth on the inner side of the part, corresponding to the second transmission area, of the second bent rack belt.
5. The flexible display device according to claim 3 or 4, wherein two opposite ends of the first bent rack gear strip and the second bent rack gear strip further comprise blank areas, and inner sides of portions of the first bent rack gear strip and the second bent rack gear strip corresponding to the blank areas are both flat.
6. The flexible display device of any of claims 2-4, wherein the pull module comprises a pull sub-chassis module, the pull sub-chassis module being rotationally coupled to the folding module, the pull sub-chassis module comprising a second support mechanism;
the drawing main frame module comprises a first supporting mechanism fixedly connected with the accommodating shell, the first supporting mechanism and the second supporting mechanism move relatively and provide supporting surfaces with corresponding areas in the accommodating state and the drawing-out state.
7. The flexible display device of claim 6, further comprising a guide assembly comprising a guide rail coupled to the pull main frame module and a slider coupled to the pull sub-frame module, the slider cooperating with the guide rail.
8. The flexible display device of claim 7, wherein the slider is sleeved on the guide rail.
9. The flexible display device of claim 6, wherein the first support mechanism comprises a plurality of first support bars and the second support mechanism comprises a plurality of second support bars, the plurality of first support bars and the plurality of second support bars being intermeshed.
10. The flexible display device according to claim 6, wherein the pull area further comprises a main display area, the main display area is located between the pull storage area and the folding area, when the portion of the flexible display module corresponding to the pull storage area is completely accommodated in the first accommodating cavity, the first supporting mechanism and the second supporting mechanism are used for supporting the portion of the flexible display module corresponding to the main display area.
11. The flexible display device of claim 1, wherein the pull module has a second receiving cavity adapted to the folding module, and the folding module folds into the second receiving cavity when in a folded state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026418.1A CN112150927A (en) | 2020-09-25 | 2020-09-25 | Flexible display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011026418.1A CN112150927A (en) | 2020-09-25 | 2020-09-25 | Flexible display device |
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| CN112150927A true CN112150927A (en) | 2020-12-29 |
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| CN202011026418.1A Pending CN112150927A (en) | 2020-09-25 | 2020-09-25 | Flexible display device |
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Application publication date: 20201229 |